Dichromodes atrosignata
In 3 days ~20% in a week ~50%
Dichromodes atrosignata is a species moth of the family Geometridae first described by Francis Walker in 1861. It is found in northern Australia. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Great Otway National Park | 🇦🇺 Australia | |
| 2 | Blue Mountains National Park | 🇦🇺 Australia |
With luck
About 10% of wildlife watchers report a Black-Signed Heath Moth sighting in Great Otway National Park on a given day, based on 25 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 102nd most-seen of the 418 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 50%, if each day is a fresh chance.
October and November
In those months about 30% of wildlife watchers report a Black-Signed Heath Moth in Great Otway National Park on a given day, against under 5% in December to September, the lowest months.
Between 7 and 10 am
Across all the parks we cover, that three-hour window holds the most Black-Signed Heath Moth sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.
Yes
Of the 2 parks where we can rate Black-Signed Heath Moth sightings, Great Otway National Park has the highest daily chance: about 10%. Next come Blue Mountains National Park (Australia, about 10%).
Same genus: Dichromodes
The closest relatives of the Black-Signed Heath Moth that you can see in Great Otway National Park (genus Dichromodes) are Dichromodes ainaria (about 10%), White-Barred Heath Moth (about 10%) and Ceremonial Heath Moth (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Black-Signed Heath Moth is recorded against all the insects logged in Great Otway National Park (25 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
